It depends on how deep the cut is. If it is well into the ply I would boot it, but most certainly NOT WITH A DOLLAR BILL. That's for emergency repairs when you are out on a ride and you have no other options. To boot a tire in your garage, clean the area with a sand cloth and apply contact cement, let the cement dry and apply a larger patch to the cement. This is what I do when I need to boot a tire while on a ride too. I carry a patch kit as a just in case stop gap measure. I have only needed to do this twice and was very glad I had the patch kit along. With out it you need to run at reduced air pressure depending on how bad the cut is. Good luck.